"Traction control off" light is on

Tiny
ENIDWINTERS
  • MEMBER
  • 1999 TOYOTA CAMRY
Six cylinder front wheel drive automatic 91,950 miles.

My "traction control off" is on and will not go off by pushing the traction control button. The traction control feature is not working. Any help you can give us to fix this would be greatly appreciated.

Thanks.
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Saturday, November 6th, 2010 AT 10:32 AM

2 Replies

Tiny
KHLOW2008
  • EXPERT
Hi enidwinters,

This code comes up when one of the wheel speeds sensors have stopped working. Here is a video that will show you how to run the codes to see which one it is.

https://youtu.be/rTtAnsOlZU4

Here is a guide that will help you test the sensor if you do not have scanner.

https://www.2carpros.com/articles/abs-wheel-speed-sensor-test

An error has been detected in the traction control system and you need to retrieve the trouble codes to understand what is wrong and proceed with diagnostics and rectification.

From the book:

RETRIEVING DIAGNOSTIC TROUBLE CODES
NOTE:
Some speed sensor DTCs cannot be retrieved using following procedure. See SPEED SENSOR DIAGNOSTICS for retrieving other speed sensor DTCs.
NOTE: DO NOT start engine when retrieving diagnostic codes.

ABS & TRAC OFF Light Diagnostics
1. Ensure battery voltage is 12 volts. Turn ignition switch to ON position. ABS, TRAC OFF and SLIP indicator lights should illuminate, then go out after 3 seconds. If warning lights do not illuminate, check fuses, bulbs, and appropriate wiring harnesses.

2. Using a jumper wire, jumper check connector terminals Tc and E1 of DLC1 or DLC2. See Fig. 1 -Fig. 2 . If a malfunction is detected, 4 seconds will elapse and ABS or TRAC OFF indicator light will begin to flash a 2-digit Diagnostic Trouble Code (DTC). First number of blinks will equal first digit in a code. After a 1.5-second pause, second number of blinks will equal second digit in a code.

3. If 2 or more codes are stored, there will be a 2.5-second pause between each code. After all codes are flashed, there will be a 4-second pause and all codes will repeat. If ABS and TRAC system are functioning normally, and no DTCs are present, ABS and TRAC OFF indicator lights will blink 2 times per second. For code definitions, see DTC DEFINITIONS table. After replacing or repairing components, clear diagnostic codes.


http://www.2carpros.com/forum/automotive_pictures/192750_ABSDTCtable01_1.jpg



For speed sensor DTCs, connect jumper wire between terminals Ts and E1 of DLC1.


http://www.2carpros.com/forum/automotive_pictures/192750_ABSDTCtable02_1.jpg




http://www.2carpros.com/forum/automotive_pictures/192750_ABSTRAC99CamryFig01_1.jpg




http://www.2carpros.com/forum/automotive_pictures/192750_ABSTRAC99CamryFig02_1.jpg



Here is how the wheel sensors are mounted.

Check out the diagrams (Below). Please let us know what you find.

Cheers
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Saturday, November 6th, 2010 AT 1:22 PM
Tiny
TWOOFUS
  • MEMBER
I had this problem and the guides really helped I found the right front ABS sensor was out so I replaced it now all fixed It cost me $32.00 for the sensor FYI.
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Monday, May 14th, 2018 AT 12:48 PM

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